22020111222020 has 24 divisors (see below), whose sum is σ = 46243335211584. Its totient is φ = 8807834651616.

The previous prime is 22020111221993. The next prime is 22020111222029. The reversal of 22020111222020 is 2022211102022.

It is a happy number.

It is a super-2 number, since 2×22020111222020² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22020111222020.

It is not an unprimeable number, because it can be changed into a prime (22020111222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12252944 + ... + 13934663.

It is an arithmetic number, because the mean of its divisors is an integer number (1926805633816).

Almost surely, 2^{22020111222020} is an apocalyptic number.

22020111222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020111222020 is an abundant number, since it is smaller than the sum of its proper divisors (24223223989564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020111222020 is a wasteful number, since it uses less digits than its factorization.

22020111222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26229659 (or 26229657 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22020111222020 its reverse (2022211102022), we get a palindrome (24042322324042).

The spelling of 22020111222020 in words is "twenty-two trillion, twenty billion, one hundred eleven million, two hundred twenty-two thousand, twenty".